<!DOCTYPE html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <script src="./js/vue.js"></script>
</head>

<body>
    <div id="app">
        一个乐高玩具在日本的价格是：{{price}}，含税价格是：{{price1}}，转为人民币价格是：{{price2}}。
    <button @click="abc(1000)">含税价格是1000</button>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                price:2000
            },
            methods: {
                abc(newprice){
                    this.price1=newprice;
                }
            },
            computed:{
                // price1:function(){
                //     return Math.round(this.price*1.08)
                // },
                price1:{
                    get:function(){
                        return this.price*1.08

                    },
                    set:function(value){
                        this.price=value/1.08

                    }

                },
                price2:function(){
                    return Math.round(this.price/16.75)
                    
                }
            }
        })
    </script>
</body>

</html>